Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
tang cua » mang cua, hang cua, tang luan
cong tan » cong tac, cong san, cong thanh
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - hanh ((tang cua) or (hang va)) thong cong tan ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh ((tang cua) OR (hang va)) thong cong tan ((toan tai) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh ((tang cua) or (hang va)) thong cong tan ((toan tai) or (toan ban))*.